How far is Alpena from Spokane?
There are several ways to calculate distances between Spokane and Alpena. Here are two common methods:Vincenty's formula (applied above)
- 1621.273 miles
- 2609.186 kilometers
- 1408.848 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 1616.683 miles
- 2601.800 kilometers
- 1404.860 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Estimated flight time from Spokane International Airport (GEG) to Alpena County Regional Airport (APN) is 3 hours 34 minutes.
Time difference and current local times
The time difference between Spokane and Alpena is 3 hours. Alpena is 3 hours ahead of Spokane.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 178 kg (392 pounds).
Spokane to Alpena flight map.
Frequent Flyer Miles Calculator
Spokane (GEG) → Alpena (APN).